How far away would the Sun need to be to be just visible to the naked eye (apparent magnitude = 5.90).  Hint:  the absolute magnitude of the Sun is 4.83.  Answer in parsecs

Q: The star Sirius has an apparent magnitude of -1.46 and appears 95 times brighter compared to the…

A: Part a: Magnitude in astronomy is defined as an index for the brightness of a star and is denoted by…

Q: In the parallax method of determining stellar distances, the angle to a star is measured while che…

A: Let's assume b=1AU And distance between sun and alpha centaurie is d. θ=2.1x10-4…

Q: an object  is a located at the following equatorial coordinates (J2000): 12h 27m 53.6s (right…

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Q: V B r 10.401 10.894 12.303 9.459 9.656 9.477 11.635 12.744 11.229 i 9.705 9.661 10.837 Parallax…

A: Given as,

Q: If a star has a parallax of 0.025 arc second and an apparent magnitude of 5.0, how far away is it,…

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Q: The apparent visual magnitude of star (Rigel) is 0.12.  Use the method of spectroscopic parallax to…

A: The distance to the star is given by, d=10m-M+55 Here, d is the distance in parsecs, m is the…

Q: A star has an apparent magnitude of 10.0 and an absolute magnitude of 2.5. How far away is it?

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Q: Star A has an apparent magnitude of –1.5 and is 12.6 light-years from Earth. Star B has an apparent…

A: Given: dA=12.6ly=3.863parsec, dB=15.6ly=4.783parsec, mvA=-1.5, mvB=0.4 The apparent magnitude of a…

Q: Which of the following is least reasonable regarding the magnitude scale: Group of answer choices…

A: The magnitude scale in astronomy helps us to quantify the brightness and distance of celestial…

Q: The absolute magnitude of a star in the Andromeda galaxy (distance 690 kpc) is M = 5. It explodes as…

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Q: 8 What sentence explains why a star can be much farther from Earth than the Sun, but still be…

A: The sentence that explains this is : Distance from the Earth and apparent brightness are related.

Q: Calculate the apparent magnitude of the Sun.

A: The apparent magnitude of a star is how bright the star is as observed from Earth.    Apparent…

Q: A star has a parallax angle of 0.0270 arcseconds and an apparent magnitude of 4.641. What is the…

A: According to the guidelines, only one question will be answered. Please submit the other question…

Q: A young recently formed planet has a surface temperature T = 2000 K and a radius of Rp Jupiter radii…

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Q: A particular star is 4.5 × 1014 km away from Earth.    What is this distance in light-years (ly)?

A: We know  1 light year = 9.461 × 1012 kilometres

Q: The nearest star to our solar system is 4.29 light years away. How much is thisdistance in terms of…

A: Given information:The distance between Earth and the alpha Centauri = 4.29 light years (ly).

Q: The nearest star to our sun is Proxima Centauri, at a distance of 4.3 light-years from the Sun. A…

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Q: Consider two identical stars, A and B. Star B is 10 times farther away than star A. What is the…

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Q: Given a star has a absolute magnitude of 2.5 and an apparent magnitude of 10.0. With this data…

A: The apparent magnitude of a star is how bright the star looks when observed from Earth. The absolute…